Paper-fastening machine.



C. S. GONE.

PAPER FASTENING MACHINE.

' APPLICATION FILED DEc. II. IQII.

Patnted Dec. 9,V 1919.

y 3P I I F 2 www @y a5. e1 38 10 #im awmQMe/NIWMMM To all whom it may concern.' Y

Be it known that I, CHARLES S. GONE, a citizen of the United States, residing at La Crosse, inthe county of La Crosse and State of Wisconsin, have inventedcertain new and useful Improvements in Paper- Fastening Machines, of which the following is a specification. l f i v My vinvention relates to paper fastening machines .of the character adapted to punch, from a sheet or sheets of paperoperated on,

. 4a paper-tongue and .to force said tongue through fa slit formed in the sheet .or sheets to receive the same, thus to provide apaperlock.` Among 'its objects are vto provide paper holding, paper cutting and tongue manipulating mechanisms coordinate to produce a novel and advantageous form of lock or `inter-engagement of the paper parts; Ato afford desirable constructions and assemblyv of the paper cutting means, tongue manipulating means and frame mechanism;

and to provide a novel and beneficial ar-Il rangement of the paper stripping element.

In the drawings wherein I have illustrated a commercial embodiment of my invention, Figure l is a side elevation with parts broken away; Fig. 2 a fragmentary central vertical vsection therethrough; Fig.-

3 is a simil ar section showing the parts with the operating jaw depressed; Fig. 4 is a plan `view with the cutter jaw removed; Fig. 5 is the detail of the slitting blade; Fig. 6 is a detail of the tongue cutter; Fig. 7 vis a section on line 7 7 of Fig. 3 and A Figs.V 8 and 9 are details of the paper-lock such'form will providetwo relatively 1nova.

ble jaw-parts, the one part to carry the cutting devices and the other Vthereof to provide an opening or openings to receive'the cutters. Thus 10 and 11 represent two jaws which I terni the base and the'cutter-jaw respmtively, these hein-g; releiisfely movable,

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,Speication of nieuwe?. ffl rateiiten'nec; 9, 19,19. Application filed Decemher 11,119117.- ser'ial'nol 2o6,5aa.=".1` i' f y `1 placement. ..rlphebase is ladmet-al"she'll, open- .b'ott'omed, having anat-top l2 vin which is formed'VL a die orifice 13' y'near its l front ,end

Lugs 14 onthe rear part (of the basesupporty a pintlef15.-'.onwhich-ispivoted 'the 1 cutter-jaw- 11," .the 'latter being heldv raised in which is-mountedfatonguecutter 18 and,

somewhat l in rear of.' 'the flatter, a :slitting vblade =19,ftl,1ese beinggso yarranged that when the cutter-j aw is closed toward the base they project 'fthroughn -the receptive -f orifice 13. Thei-.tongue-cutter V18 is aXially'fcurved on an arc struckf-fromthe pivotal 'ax-is; lhas its sharpenedbottom edge diagonally disposed as shown at '20;` isopenjas'at 21 across its rear face "so that'av paper tonguecut thereby is leftadheri-ng at its root; and the closed' front Vportion vof said' cutterV is broadened asat 22 so 4that the tongue cut thereby will"be headed, or larger at its free end than at its root.l The slitter 19 provides a blade proper, 28, having a diagonal slitting edge 24 and has an arrow-head dart 25 integral with the lower extremity of the diagonal blade, this dart being disposed transversely .to the line of the cutting edge 24 and folded vertically to a V-selction with the crest 26` of. the fold toward' the rear and about in the line along which the dart moves vin opera-tion. The jointeect of the dart 25 and cutting edge 24 is to form in the paper,` A, a Y-shaped slit, C', having' a relatively -long stem c and relatively short, widely divergent arms, e, the

separation vof which at their extremities is substantially the ysame as the width of the stem-cutting part 'of the tongue-cutter and less than the width of the head-cutting portion thereof. The upper forward partfof the blade 23 is cut away as at 27 to provide a clearance for the tongue-'tucker 28.

I/ Vithin the tongue-cutter lis 'pivotally mounted thef'tongue tucker 28, comp-rising a curved,small-ended finger 29, normally sheathed Withinv the tonguecutter `18 and held teilw-etsii by a spring" 30 also housed in the cutter, the tucker having a cam-arm 31 that extends rearwardly beyond the open side of the tongue, P:adjacent,totlrie pivot of the ti'irzkei tliis cani :isflvprcsse'd lipof the paper-stripper,carried'by the base 10. T he stripper 32 is a spring leaf normally .pressingiiat upon the uppernsurfaee foflth'e .a point :that isa-above :the ibottoin --of the vtongue-cutter Wheni- Ithe device? 'is fopen `and such stripper is provided iii registei with the orifice :13' oit vthe"base,vvitl`i two orifices .35Fandf'86 separated:Joy:aJ :bridge 37 A stop screw 3S limits the capacity ,of the stripper spring. for ilpward-fidi'splacen'ientg fsucli' 'displacement being? sufficient f to permit -the-` iiisertion between stripper-fand base .of sheets l tongue; tuelng and f i the; `slitterf-blade 19 rre'spectively; spass through theS orifices and;V 36 v the; strippeniandtheicam arm. 30. of;y the tongue tucker encounters the bridge 37-` and 4.causes the tucker. lto, rotate `on 'its i pivot ns'o :that the end -Of I'the -cuived dinger i 28V; is :projected rear- Wardly :from itszslieath and passesupwardly below and in rear of the bridge-87 to emerge above theplane offtlie' bridgek in position above the slitter-'dart.

In operation the paper A' is'inserted between the-stripper plate andthefbase (the upcui'l of thestripper' end guarding device .against I4:improper .placement L of the paper over thefstripper)4 and then depression of vthe ,head causes, 'first .the cutting 0f the 'headed tongue B and the Yfshaped slitC, and later the movement of the tongue tucker. as above described. Resultantly the headed'end'b1`0f the tongue is orcedbackward andnipivard through ythe receptive .slitC- to position such thattlie head-of the tongue is'abovethe pa per sheet and the stein b2 lies in the arms 01I et slit C;- -As the parts separate thetucker s pifiiig-,v 3f)y lreti-acts the finger 29 v' into its sheathed position andthe-1 tongue-cutter and slitterleinergevfroin-ithe--toiigue aperture and the slit respectively, the point ofthe-slitter incidentally y'brushing the -liead'ed endof the tongue into u prightposition and thus locating thestem'? of. thestongue .'irmly ,against the V-shaped portion a ofthe paper-left between the armsfof the .,Y-slit.' During .the upward movement of thehead, and thereafter, the stripper plate remains springpressed in lowest position flush upon the paper, so that as the paper is withdrawn its ''passage under the stripper plateiiisures that the head of the tongue will be flattened down' totendto lie substantially flush on the upper su'i'jfzae'eof the'bodygo'f lthe paper with the "V -shaped portion'a1 voverlying the forward- -niostendof the head. The Y-slitting form of slitterblade shown is advantageous both as toits slitting function and itsresultant effect inthe paper-lock formation. Its dartendpenetrates the paper very readily, and

its blade-edge, having but a slit to make, follows the dart without Vnecessity forcoperation with any opposing shear-edgdand the 'resultant Y-ormedslit in the paper leaves .the bordering paper portions in a shape fiexible enough to permit the headed tongue'to f be tucked through Awith little; resistance'and ',Withouttearingthe sten'r oftlie"Y beingr made long enough to extend :Well beyondthe :back-'folded head o' the tongue to insurej this non-tearing liexibility. In 'lreinovingfthe f 7 paper the V-portion a? both protects the tongue 'and tends to hold it doWiras'it is pulled out under the strippeii,fiand .in the completedlock the positive retaining'etlect of the tongue-head is'con'ibinediwith a fricf tional grip of the slit on the tongue, so that the lockis very secure.f-'

As refinements of construction of value commercially,v I prefer that the cutter con* struction bebuilt as shown.'l 40 is a disk having in its under-side a fore and aft channel L11..-Thc tongue cutter which is blanked from sheet metal, is provided at its top with .integral rearwardlyv extendingarms 42 that has-.its top formed to provide two parallel arms 45 to embrace the tongue cutter arms i tand these `are notched at 46 in register :Withlfthe notches of the tongue cutter armsi the lsltter arms 41:5 restingsnugly in the channel 4l oil: the disk. A nut 47 seated iii the notches of the arms l2 andet is eiigaged by a bolt passing through the disk 40 and counter-sunk therein, so -that the critterl construction is assembled as a unit, the disk tlienbeing secured within the recessed headboss of the cutter-jaw by .screws 48, one of which carries a stop-plug 49 that strikes on the stripper plate to limit depression 4of the cutter-jamas shown indotted lines,vFig,1-. Vhile Ithave described in ,detail a particular embodiment of my invention .which I have' found to be satisfactoryfand desirable, it -will be understood by those -skilled in--theart-that many changes inl detail'may bemade without departure-'fromithe spirit f nation of.. ,tw-o i;

platentedclaims.- f. .5 Y

-fastealesdQV- ice the' einbibers, @ne having a .cutter-retener@ enema and the other having means forlcoiiperation therswitlltofrm" headed tongue; mea-11S, also carried by the last said jaw member`- for forming a slit in rear of said tongue, said means comprising a cutting blade having an elongated paper-slitting edge Substantially 'alining with the axis of said Opening and a transverse slitting dart at the forward edge, of said blade, said blade and dart being in plan smaller than and nonconforming to the portion of said opening through which they pass; and means operable upon closing of said members to tuck the cut tongue through said slit while the slitting means is depressed.

2. A paper-fastening device; whereintwo relatively movable parts are provided respectively with a cutter receiving orifice and a cutter shorter than said orifice adapted to strike out a headed tongue, and means are, provided to bend said tongue under and upwardly to project its headed end above the paper; characterized by means to cut a paper-slit to receive said tongue comprising a blade with an elongated slitting edge coaxial with the tongue cutter, and a transverse penetrating dart at its forward end of a width substantially corresponding to the width of the root of the tongue cutter, said blade and dart being smaller in plan than and non-conforming to the portion of the cutter receiving orifice through which they pass.

25. A paper-fastening device as set forth in claim 2. wherein the cutting edge of said blade is constructed to form a slit that will extend materially beyond the end of the underbent tongue.

et. In a paper-fastening device, the combination of two relatively movable jaw members, one having a cutter-receptive opening 'and the other having means for coperation therewith to form a headed tongue, means, also carried b v the last said jaw member, for forming a slit in rear of said tongue, said means comprising a slitting blade having an elongated paper-slittingr edge substantially alining with the axis of said opening and a transverse slitting dart at the forward edge of said blade, the upper side of said blade being cut away above the dart, and means operable upon the closing of said members while the blade is in depressed position, and working into said clearance space above the dart, to tuck the headed tongue through said slit, whereby upon retraction of the dart it brushes the tongue into spread osition.

5. A paper-fastening device o the type ratten receiv- ,eilvavith f t headed .tensuenad naa erf-.enemies te .re

o project its comprising a blade with a downwardly sloping slitting edge and a transverse penetrating dart at its forward end, said dart being of a width -substantially corresponding with that of the root of the tongue cutter and said dart being folded, with the crest of its fold toward the blade edge, whereby said cutter `member will cut a Y-shaped slit.

6. A paper-fastening device as set forth in claim 5 wherein the blade edge is materially longer than the dart-width.

7. In a paper-locking mechanism, the combination of two relatively movable jaw members, one having an elongated slot and the other having die means for coperation with said slot to out a headed tongue, and means to pass freely through said slot to form a ilit in the paperv in rear of said tongue, the last said means comprising a cutting blade having slit-cutting edges arranged in Y- form, means operable in closing said two jaw members to deliver the cut tongue through the Y-slit above the cutting blade, and a stripper element constantly springpressed upon the first said jaw member.

S. A paper-fastening device comprising two relatively movable jaw parts provided respectively with a cutter receiving orifice and with two cutting members adapted respectively to strike out a headed tongue and to form an opening to receive said tongue, means to deliver the cut tongue through the tongue receptive opening to position above the second-mentioned cutter while the latter is depressed, and a stripper plate to hold the paper upon the orificed member constructed and arranged freely to press constantly toward the oriiced member to rest constantly on said member or on the paper inserted between said member and stripper.

9. A paper-fastening device as set forth in claim S wherein the second-mentioned eutting member comprises a slitting blade, having a Y-formed cutting edge with the stem of the Y materially lo-nger than the length of that portion of the tongue which can interlock with the slit. l

l0. In a paper-locking mechanism, the combination of two relatively movable jaw members, one having an elongated die slot and the othenhaving means for coperation therewith to cut a headed tongue, and means freely operable through said die slot to form a slit 1n the paper in rear of said temine-.the tongue -'Wl,1sreir 11naas arenrovided-.tetuck:said

waste under. eed ,11e-rarely.. l heaeedend analisti-.this rapeaepsnng, char- -tongue, the l'astfsadfnieen's 'Comprisinga retraction of said blade it brushes vthehead slitting 'blade having edgesarran'ged in of the cuttongue into spread positioi, and 10 Y-form, Vsaldllade =being"c1`1tawayabove its alvstripper element constantly:Springpressed edge to provide a e1ea'1anee'v means operable upon the yfirst` said tjaw member, whereby,

on the 'closing of said'two Ajaw members to' Vupon retraction of the paper from the'meehdeliver the out tongue `through the' Y-slit -anismthe out head'is flattened; substantially above the cutting blade, said means Working rasdes'crbedi 5 Y into'Saidcleararieefoi'the'blade, whereby on f l f= V CHALLESS. GONE. 

